Check out Barry Keoghan's Ringo Starr haircut below. Barry Keoghan has revealed his new Beatles-style haircut ahead of playing Ringo Starr in the Fab Four biopic series. Fab Four will feature Paul Mescal as Paul McCartney, Joseph Quinn as George Harrison, and Harris Dickinson as John Lennon. It will also star Saoirse Ronan as Linda McCartney, Paul McCartney’s first wife. AdvertisementCheck out Barry Keoghan's Ringo Starr haircut below.